ME News reports that on June 28 (UTC+8), according to monitoring by Beating, Musk announced that Grok 4.5, trained on a 1.5-trillion-parameter V9 base model supplemented with Cursor data, has entered internal beta testing at SpaceX and Tesla. Early evaluations indicate its performance is already approaching, and possibly surpassing, that of Opus, while reinforcement learning (RL) continues to significantly enhance the model. The Grok Build toolchain is also improving daily, and Musk commended the team’s efforts. Additionally, Musk revealed that SpaceX and related teams will release a newly trained model from scratch each month this year, maintaining a rapid iteration pace. Click the link below to join Beating’s Feishu AI News channel for 24/7 real-time monitoring of global AI trends and news. (Source: BlockBeats)
Musk announces Grok 4.5 enters internal testing at SpaceX and Tesla.
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Summary
On June 28 (UTC+8), Elon Musk shared on-chain news that Grok 4.5, built on a 15-billion-parameter V9 model and trained with Cursor data, is now in internal testing at SpaceX and Tesla. Preliminary results indicate the model is nearing or possibly surpassing Opus performance, with reinforcement learning continuing to drive improvements. Tracking inflation data remains a key focus for the model’s applications.
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